The 264-91M Spin-On Fuel Oil Replacement Element has the highest rating in the industry. These filters are rated 60 psi and up to 40 gph. Filters down to 10 Microns. One filter has the capacity for all residential and light applications. UR rated in the US and CanadaRated 40 gph flow rate Highest in the industryFits all major manufacture tops.Canister is coated to resist corrosion.